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I've built a tank skateboard! it turns like a regular skateboard but has tank treads as wheels. The front and back wheels have been 3D printed with PLA but the motor mounts have been created as separate parts as I'm planning on making those out of aluminium with my 3D printed CNC:
   • 3D PRINTED CNC CUTS METAL (from scratch)  

I still need to make a few improvements to this version:
1.- Make the entire thing narrower, I'll use the prototype you can see in the video to figure out what are the actual clearances required and remove all unnecessary lengths throughout the skateboard to bring it down to a minimum, I know, I know, it is suuuuperwide right now.

2.- Improve the holes on the wheels sideplates so they adjust better to the real path the steel bars make through them, I made a template in a previous video to make those as precise as possible but I made so many changes in the design after that that it is far from perfect now.

3.- Improve the belt tensioning mechanism, tensioning the belt by pulling the motor before fastening it does not provide enough tension in the belt as the belt is quite rigid and I cannot stretch it enough with my hand.

And of course any other improvements that you convince me make in the comments so bring'em on!!

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